RADIANT…MAP/AREA
앞에서 알아본 RADIANT 명령어의 추가 기능에 대해서 알아보자. 아래의 Help를 보면 알 수 있듯이 RADIANT 명령어에는 MAP과 AREA 라는 옵션이 있다. RADIANT… MAP은 픽셀에 대한 입체각 당 Flux(Flux/sr)를 계산하고, RADIANT… AREA 는 투영면에 대한 입체각 당 Flux(Flux/sr/m^2)를 계산한다.
RADIANT (ASAP Command) |
Calculates the far-field incoherent intensity or radiance of the currently selected ray data.
Syntax
RADIANT [ X [ f f’ n a a’ n’ ] ] [ MAP [ s ] ] [ LOW ]
Y AREA HIGH
Z
-X
-Y
-Z
Option |
Description |
X, Y, or Z |
specifies polar axis of the coordinate system (default Z) |
f f’ |
zenith/latitude angle ranges |
n |
number of zenith/latitude subdivisions |
a a’ |
azimuth/longitudinal angle ranges |
n’ |
number of azimuth/longitudinal subdivisions |
MAP |
radiant intensity (flux per solid angle) calculation option; produces polar plots of the radiant intensity as a function of spatial position |
s |
polar diagram rescaling factor |
LOW/HIGH |
resolution factor |
AREA |
radiance (flux per solid angle per projected area) calculation option; producesa distribution file containing the radiance (flux/solid angle/projected unit area) |
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